Building Energy Codes

Louisiana State Certification of Commercial and Residential Building Energy Codes

The energycode for one- and two-family residential structures in Louisiana is Part IV: Energy Conservation of the 2006 IRC. 2009 IECC is currently being enforced in low-rise, multifamily residential structures. ASHRAE 90.1-2007 is currently enforced for commercial construction.

This letter certifies that ACT 390 of 2013 has been signed by the Governor, and it will update Part IV: Energy Conservation of the 2009 IRC effective January 1, 2014, and that ASHRAE Standard 90.1-2007 is the code currently enforced by the Louisiana Office of the State Fire Marshal for commercial construction.